Horn



Aug. 4, 1931. s. A. STONEBACK HORN Filed April 9, 1929 INVINTO1Z latentecl Aug. 4, 1931 UNITED STATES SAMUEL A. STONEBACK, F PHILADELPHIA, PENNSYLVANIA HORN Application filed April 9, 1929. Serial No. 353,874.

My invention relates to new and useful improvements in a horn and has for one of its objects the provision of a device of this character, which will receive sound waves and deliver the same in a natural manner so as to be practically identical with those produced at the source.

Another object of the invention is to provide a horn which is adaptable for connection with talking machines boxes or reproducers and radio loud speaker units and the like so that the sound waves received in the horn from the instrument will be faithfully produced or delivered.

A further object of the invention is to provide a horn of polygonal cross-sectional shape, no two sides or angles of which are the same and in which no two sides are parallel.

A still further object of the invention is to produce a horn having the above mentioned arrangements and in which the sides or panels are preferably tapered so that said sides are thinner at the month end of the horn than at the throat end and said sides are preferably produced from highly fibrous wood and preferably with the grain running laterally.

With these ends in view, this invention consists in the details of construction and combination of elements hereinafter set forth and then specifically designated by the claims.

In order that those skilled in the art to which this invention appertains may understand how to make and use the same, I will describe its construction in detail, referring by numerals to the accompanying drawings forming a part of this application, in which Fig. 1 is a side elevation of one form of horn embodying my invention.

Fig. 2 is a mouth end View thereof.

Fig. 3 is a section at the line 33 of Fig. 2.

Figs. 4, 5 and 6 are views similar to Fig. 2 of other forms of the invention to illustrate some of the configurations which may be utilized.

Fig. 7 is a section on the line 7-7 of the horn illustrated in Fig. 6.

, In carrying out my invention as hereinembodied, 10 represents the horn which is constructed from a number of panels 11, no two of which are of the same width at any crosssectional point throughout their lengths and *5 said uneven panels therefore produce a "horn having a number of uneven sides and uneven angles.

lVhile I prefer that the panels or sides be fiat, yet, the invention is notso limited, since the uneven sides or panels may be of arcuate formation. either laterally or longitudinally and they may either be concave or convex. It is to also be understood that I do not limit myself to the material used in the construction of the horn, but where wood is utilized, I have found that a highly fibrous one gives slightly better results than one of less fibrous nature.

The panels or sides of the horn body converge from the mouth to the throat end of said horn and to the throat is connected aneck 12, either projecting into the throat as shown in Fig. 3 or surrounding the same as shown in Fig. 7 and said neck may have a straight 1755 opening 13 therethrough as in Fig. 3 or if preferred, an opening 14 having a certain curvature or angularity may be provided as shown in Fig. 7

lVhile the panels or sides may be perfectly flat, I have found some advantages in making them tapered from the small or throat end toward the larger, mouth or outer end as represented in the sectional views shown in Figs. 3 and 7.

I have found in actual practice, that the sound waves, received by a horn constructed in this manner are delivered practically as naturally as when created and none of the high or low tones are lost. Theoretically, the 499 sides being nonparallel, straight rebound of sound waves and echoes are prevented and for this reason, all off-tones are eliminated which generally interfere with clear production. of sound.

Of course I do not wish to be limited to the exact details of construction as herein shown, as these may be varied within the limits of the appended claims without departing from the spirit of my invention.

Having thus fully described my invention, what I claim as new and useful is 1. A horn having a plurality of plane sides all oi: which are uneven.

o 2. A horn having a number of plane sides,

all of which are uneven and the angles between them also being uneven.

3. A horn having a plurality of plane sides, no two of which are parallel along transverse lines.

4. A horn having a plurality of uneven plane sides, no two of which are parallel transversely.

5. A horn of polygonal cross-sectional shape, all the sides of which are of dilierent areas.

6. A horn consisting of a plurality of dif ferent sized panels. each panel tapering t0- waid the month end of the horn.

7. A horn consisting of a plurality of panels tapering toward their outer ends, all

of said panels being of diiierent widths.

8. A horn consisting of a plurality of panels, the edges of which diverge toward their outer ends, each of said panels being of a diilerent width relative to all other panels.

9. A horn having a plurality of plane sides. all of which are of different widths or areas.

10. A tapered horn including: a plurality of plane sides, no two of which are alike in width or area.

11. A horn including a plurality of plane sides, none of which are of the same area.

In testimony whereof, I have hereunto at fixed my signature.

SAMUEL A. STONEBACK. 

